Q: What are the prime factors of the number 66,761,508?

 A: 2, 3, 11, 45979

Why are those the prime factors of the number 66,761,508?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 66,761,508

66,761,508
Factor Arrows
233,380,754
Factor Arrows
216,690,377
Factor Arrows
35,563,459
Factor Arrows
11505,769
Factor Arrows
1145,979

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 11, 45979

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 11 x 45,979 = 66,761,508

This can also be written as 22 x 31 x 112 x 45,9791 = 66,761,508

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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